The synthetic method of 7-hydroxyquinoline-4-carboxylic acid
A technology of hydroxyquinoline and a synthesis method, applied in directions such as organic chemistry, can solve the problems of expensive chemical reagents, expensive raw materials, difficult to obtain, etc., and achieve the effects of simple synthesis route, low cost of raw materials, and easy amplification
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[0030] The present invention will be further described below in conjunction with specific examples, but the examples are only exemplary and do not constitute any limitation to the scope of the present invention. Those skilled in the art should understand that the details and forms of the technical solutions of the present invention can be modified or replaced without departing from the spirit and scope of the present invention, but these modifications and replacements all fall within the protection scope of the present invention.
[0031] The synthetic technique of 7-hydroxyquinoline-4-carboxylic acid of the present invention is to take 6-bromoisatin as raw material to obtain 7-bromoquinoline-2,4-carboxylic acid through reaction with pyruvic acid, and then react with nitrobenzene Obtain 7-bromoquinoline-4-carboxylic acid, react 7-bromoquinoline-4-carboxylic acid methyl ester with methanol, and react with NH2Boc to obtain 7-((tert-butoxycarbonyl)amino)quinoline-4-carboxylic acid...
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